NVIDIA ISA Viewer

SHF

Funnel Shift

5 variants on SM100 (B200)

SHF
R,R,R,R
distilled: @P0 SHF.L.S64 R0, R0, R0, R0;
key: SHF_R_R_R_R
0123456701234567012345670123456701234567012345670123456701234567
100110000100predoperand 0operand 1operand 2000000000000000000000000
0123456701234567012345670123456701234567012345670123456701234567
operand 30modi 1Wmodi 1XOR00HI000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00S64
01U64
10S32
11U32

Modifier Group 2

BinaryValue
0L
1R
SHF
R,R,R,I
distilled: @P0 SHF.L.S64 R0, R0, R0, 0x0;
key: SHF_R_R_R_I
0123456701234567012345670123456701234567012345670123456701234567
100110000010predoperand 0operand 1operand 3
0123456701234567012345670123456701234567012345670123456701234567
operand 20modi 1Wmodi 1XOR00HI000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00S64
01U64
10S32
11U32

Modifier Group 2

BinaryValue
0L
1R
SHF
R,R,I,R
distilled: @P0 SHF.L.S64 R0, R0, 0x0, R0;
key: SHF_R_R_I_R
0123456701234567012345670123456701234567012345670123456701234567
100110000001predoperand 0operand 1operand 2
0123456701234567012345670123456701234567012345670123456701234567
operand 30modi 1Wmodi 1XOR00HI000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00S64
01U64
10S32
11U32

Modifier Group 2

BinaryValue
0L
1R
SHF
R,R,UR,R
distilled: @P0 SHF.L.S64 R0, R0, UR0, R0;
key: SHF_R_R_UR_R
0123456701234567012345670123456701234567012345670123456701234567
100110000011predoperand 0operand 1operand 2000000000000000000000000
0123456701234567012345670123456701234567012345670123456701234567
operand 30modi 1Wmodi 1XOR00HI000000000010000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00S64
01U64
10S32
11U32

Modifier Group 2

BinaryValue
0L
1R
SHF
R,R,R,UR
distilled: @P0 SHF.L.S64 R0, R0, R0, UR0;
key: SHF_R_R_R_UR
0123456701234567012345670123456701234567012345670123456701234567
100110000111predoperand 0operand 1operand 3000000000000000000000000
0123456701234567012345670123456701234567012345670123456701234567
operand 20modi 1Wmodi 1XOR00HI000000000010000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00S64
01U64
10S32
11U32

Modifier Group 2

BinaryValue
0L
1R